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Groups > linux.kernel > #1487755 > unrolled thread
| Started by | Shawn Lin <shawn.lin@rock-chips.com> |
|---|---|
| First post | 2016-09-21 03:50 +0200 |
| Last post | 2016-09-22 11:50 +0200 |
| Articles | 2 — 2 participants |
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[PATCH 1/5] mmc: core: don't try to switch block size for dual rate mode Shawn Lin <shawn.lin@rock-chips.com> - 2016-09-21 03:50 +0200
Re: [PATCH 1/5] mmc: core: don't try to switch block size for dual rate mode Ulf Hansson <ulf.hansson@linaro.org> - 2016-09-22 11:50 +0200
| From | Shawn Lin <shawn.lin@rock-chips.com> |
|---|---|
| Date | 2016-09-21 03:50 +0200 |
| Subject | [PATCH 1/5] mmc: core: don't try to switch block size for dual rate mode |
| Message-ID | <sjEPD-2rt-3@gated-at.bofh.it> |
From: Ziyuan Xu <xzy.xu@rock-chips.com>
Per spec, block size should always be 512 bytes for dual rate mode,
so any attempts to switch the block size under dual rate mode should
be neglected.
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---
drivers/mmc/core/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f0ed0af..2553d90 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2576,7 +2576,8 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen)
{
struct mmc_command cmd = {0};
- if (mmc_card_blockaddr(card) || mmc_card_ddr52(card))
+ if (mmc_card_blockaddr(card) || mmc_card_ddr52(card) ||
+ mmc_card_hs400(card) || mmc_card_hs400es(card))
return 0;
cmd.opcode = MMC_SET_BLOCKLEN;
--
2.3.7
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| From | Ulf Hansson <ulf.hansson@linaro.org> |
|---|---|
| Date | 2016-09-22 11:50 +0200 |
| Subject | Re: [PATCH 1/5] mmc: core: don't try to switch block size for dual rate mode |
| Message-ID | <sk8NI-4AG-25@gated-at.bofh.it> |
| In reply to | #1487755 |
On 21 September 2016 at 03:43, Shawn Lin <shawn.lin@rock-chips.com> wrote:
> From: Ziyuan Xu <xzy.xu@rock-chips.com>
>
> Per spec, block size should always be 512 bytes for dual rate mode,
> so any attempts to switch the block size under dual rate mode should
> be neglected.
>
> Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Thanks, applied for next!
Kind regards
Uffe
>
> ---
>
> drivers/mmc/core/core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> index f0ed0af..2553d90 100644
> --- a/drivers/mmc/core/core.c
> +++ b/drivers/mmc/core/core.c
> @@ -2576,7 +2576,8 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen)
> {
> struct mmc_command cmd = {0};
>
> - if (mmc_card_blockaddr(card) || mmc_card_ddr52(card))
> + if (mmc_card_blockaddr(card) || mmc_card_ddr52(card) ||
> + mmc_card_hs400(card) || mmc_card_hs400es(card))
> return 0;
>
> cmd.opcode = MMC_SET_BLOCKLEN;
> --
> 2.3.7
>
>
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